How many moles of OH− are there in 2.758 g of Mg(OH)2?Give your answer in moles and to three decimal places.(Molar mass of Mg(OH)2 = 58.32 g mol−1)
Question
Solution 1
To find the number of moles in a given mass of a substance, you can use the formula:
Number of moles = mass of substance (in grams) / molar mass (in g/mol)
Given: Mass of Mg(OH)2 = 2.758 g Molar mass of Mg(OH)2 = 58.32 g/mol
Step 1: Substitute the given values into the formula:
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